Move pages under tldr, lint run.sh, update docs

tldr/rarcrack

@@ -0,0 +1,20 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# rarcrack
+
+> Password cracker for `rar`, `zip` and `7z` archives.
+
+- Brute force the password for an archive (tries to guess the archive type):
+
+`rarcrack {{path/to/file.zip}}`
+
+- Specify the archive type:
+
+`rarcrack --type {{rar|zip|7z}} {{path/to/file.zip}}`
+
+- Use multiple threads:
+
+`rarcrack --threads {{6}} {{path/to/file.zip}}`